vkroz

Kafka frequent commands

Assuming that the following environment variables are set:

• KAFKA_HOME where Kafka is installed on local machine (e.g. /opt/kafka)
• ZK_HOSTS identifies running zookeeper ensemble, e.g. ZK_HOSTS=192.168.0.99:2181
• KAFKA_BROKERS identifies running Kafka brokers, e.g. KAFKA_BROKERS=192.168.0.99:9092

Server

Start Zookepper and Kafka servers

andyrbell

# use ImageMagick convert
# the order is important. the density argument applies to input.pdf and resize and rotate to output.pdf
convert -density 90 input.pdf -rotate 0.5 -attenuate 0.2 +noise Multiplicative -colorspace Gray output.pdf

palashkulsh

aws ec2 describe-instances --filters "Name=tag:Service,Values=marketplace-esclus" | jq '.Reservations[].Instances[] | "\(.PrivateIpAddress) , \(.EbsOptimized) , \(.SubnetId) , \(.Placement.AvailabilityZone) , \(.Tags[]| select(.Key == "Hostname") | .Value) , \(.InstanceType)"'

namuan

aws autoscaling describe-auto-scaling-groups --query 'AutoScalingGroups[*]'

aws autoscaling describe-auto-scaling-groups --query 'AutoScalingGroups[*].Tags[?Key==`Name`]'

aws autoscaling describe-auto-scaling-groups --query 'AutoScalingGroups[?Tags[?starts_with(Value, `registration`)]]'

aws autoscaling describe-auto-scaling-groups --query 'AutoScalingGroups[?Tags[?starts_with(Value, `email`)]]'

aws autoscaling describe-auto-scaling-groups --query 'AutoScalingGroups[] | [?contains(Tags[?Key==`Name`].Value, `email-01`)]' --output table

furquanuddin94

#!/bin/bash

#Script to access server boxes
#Put the script in any directory present on system's $PATH. Make the file executable via "chmod +x portkey". Then use "portkey help" for instructions on how to use.
#Prerequirements: Install JQ and Sponge

homeDir=$( echo $HOME )
configFile="${homeDir}/portkey.conf"
paramCount="$#"
if [ "$paramCount" = "0" ] || [ "$1" = "help" ]